Jonah 1:17 in the King James Version
Now the LORD had prepared a great fish to swallow up Jonah. And Jonah was in the belly of the fish three days and three nights.
Context
16 Then the men feared the LORD exceedingly; and they offered a sacrifice to the LORD and made vows.
17 The LORD prepared a huge fish to swallow up Jonah, and Jonah was in the belly of the fish three days and three nights.